Home / 15,943.74-22,012.20-10,280.49

Finding the Fourth Proportional to 15,943.74, 22,012.20 and 10,280.49

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Solution

The fourth proportional to 15,943.74, 22,012.20 and 10,280.49 is: 14,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.74 : 22,012.20 = 10,280.49 : x
  2. Step 2: Convert to fraction form
    15,943.74/22,012.20 = 10,280.49/x
  3. Step 3: Cross multiply
    15,943.74x = 22,012.20 × 10,280.49
  4. Step 4: Simplify right side
    15,943.74x = 226,296,201.98
  5. Step 5: Solve for x
    x = 226,296,201.98/15,943.74
  6. Step 6: Final answer
    x = 14,193.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.